#151B14

#151B14

Color Values

HEX

#151B14

RGB

21, 27, 20

HSL

111.4, 14.9%, 9.2%

HSV

111.4, 25.9%, 10.6%

CMYK

22.2%, 0.0%, 25.9%, 89.4%

OKLCH

0.2133 0.0162 141.1

Properties

Cool Dark Nearest: RAL 9011 Graphite Black

Color Harmonies

Complementary

#151B14

#1A141B

Analogous

#181B14

#141B16

#151B14

Triadic

#151B14

#14151B

#1B1415

Split Complementary

#151B14

#16141B

#1B1418

Tetradic

#151B14

#14181B

#1A141B

#1B1614

Color Blindness Simulation

Original

#151B14

Protanopia

#181816

Deuteranopia

#171716

Tritanopia

#151717

Achromatopsia

#191919

CSS Usage

background-color: #151B14;
color: #151B14;
border-color: #151B14;
Nearest Tailwind: Stone 900 #1C1917

Tailwind Shades

50
#F7F8F6
100
#ECEFEB
200
#D8E1D6
300
#BBCBB9
400
#97AF93
500
#72926D
600
#5B7557
700
#495E45
800
#394936
900
#2C372A
950
#1C231A

Contrast Checker

Text on white

17.52:1

AA Pass AAA Pass

Text on black

1.2:1

AA Fail AAA Fail

Related Articles

Tutorials

Building a Color Picker Web Component from Scratch

Feb 20, 2026
Tutorials

Web Color Performance: Gradients, Shadows, and Filters

Feb 19, 2026
Tutorials

Tailwind CSS Colors: Complete Shade System Guide

Feb 19, 2026